From 07f9619217e057d445f1b963e9da3b87f8402412 Mon Sep 17 00:00:00 2001
From: Shadowfacts <me@shadowfacts.net>
Date: Fri, 16 Sep 2022 21:36:30 -0400
Subject: [PATCH] Fix not being able to import keys on iOS 16

---
 OTP/Views/PreferencesView.swift | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/OTP/Views/PreferencesView.swift b/OTP/Views/PreferencesView.swift
index d4706cb..9031f62 100644
--- a/OTP/Views/PreferencesView.swift
+++ b/OTP/Views/PreferencesView.swift
@@ -46,14 +46,22 @@ struct PreferencesView: View {
         }
         .fileExporter(isPresented: $isPresentingExport, document: BackupDocument(data: store.data), contentType: .propertyList, defaultFilename: "OTPBackup") { (_) in
         }
-        .fileImporter(isPresented: $isPresentingImport, allowedContentTypes: [.propertyList], allowsMultipleSelection: false) { (result) in
+        .fileImporter(isPresented: $isPresentingImport, allowedContentTypes: [.propertyList]) { (result) in
             switch result {
             case let .failure(error):
                 self.importFailedError = error
                 self.isPresentingImportFailedAlert = true
-            case let .success(urls):
+            case let .success(url):
+                guard url.startAccessingSecurityScopedResource() else {
+                    self.importFailedError = ImportError.accessingSecurityScopedResource
+                    self.isPresentingImportFailedAlert = true
+                    return
+                }
+                defer {
+                    url.stopAccessingSecurityScopedResource()
+                }
                 do {
-                    let backup = try BackupDocument(url: urls.first!)
+                    let backup = try BackupDocument(url: url)
                     store.updateFromStore(backup.data, replaceExisting: clearBeforeImport)
                     dismiss()
                 } catch {
@@ -71,6 +79,10 @@ struct PreferencesView: View {
         }
     }
     
+    enum ImportError: LocalizedError {
+        case accessingSecurityScopedResource
+    }
+    
 }
 
 struct PreferencesView_Previews: PreviewProvider {